wpf-notifyicon/Source/Sample Project/FancyPopup.xaml.cs

using System.Windows;
using System.Windows.Controls;

namespace Sample_Project
{
  /// <summary>
  /// Interaction logic for FancyPopup.xaml
  /// </summary>
  public partial class FancyPopup : UserControl
  {
    #region ClickCount dependency property

    /// <summary>
    /// The number of clicks on the popup button.
    /// </summary>
    public static readonly DependencyProperty ClickCountProperty =
        DependencyProperty.Register("ClickCount",
                                    typeof (int),
                                    typeof (FancyPopup),
                                    new FrameworkPropertyMetadata(0));

    /// <summary>
    /// A property wrapper for the <see cref="ClickCountProperty"/>
    /// dependency property:<br/>
    /// The number of clicks on the popup button.
    /// </summary>
    public int ClickCount
    {
      get { return (int) GetValue(ClickCountProperty); }
      set { SetValue(ClickCountProperty, value); }
    }

    #endregion

    public FancyPopup()
    {
      InitializeComponent();
    }

    private void OnButtonClick(object sender, RoutedEventArgs e)
    {
      //just increment a counter - will be displayed on screen
      ClickCount++;
    }
  }
}